首页> 外文期刊>Livestock research for rural development >Factors affecting growth performance of sheep under village management conditions in the south western part of Ethiopia
【24h】

Factors affecting growth performance of sheep under village management conditions in the south western part of Ethiopia

机译:埃塞俄比亚西南部村庄管理条件下影响绵羊生长性能的因素

获取原文
获取外文期刊封面目录资料

摘要

ThestudywasconductedtoassessthegrowthperformanceoflambsundervillagemanagementconditioninJimma,Ethiopiafrom1995to1997.nbsp;Theoverallmeanbodyweightatbirth,atweaning(180days)anduptoayear(360days)wasrecordedtobe2.45,18.8and25.4kg,respectively.nbsp;Theoverallmeangrowthrateuptoweaningweight(180days)anduptooneyearold(360days)was92.3and68.3g/day.Thenon-geneticfactorssuchasseason,yea,sex,parity,littersizeanddistrictwereconsideredinthisstudy.Themainfactorshadasignificanteffect(atleastp0.05)onweightforageandweightgainsrecorded.Aconsistentsignificanteffectofsexandbirthtype(single/twin)(p0.05)wasobservedforweightforageandgrowthrates.Themaleswereheavierthanfemales,by7.11%and10.2%for180daysand360daysweight,respectively.Thetwinswerelighterthansinglesby20.1%and8.32%for180daysand300daysweight,respectively.Theeffectofparitywassignificant(p0.05).Thelambsborntoewesatfirstparityhadlowerweightforagesandweightgainscomparedtosubsequentparities.Thelambsborninlandscarcearea(Dedodistrict)hadlowerweightgainsthanlambsborninSeka(landbetterarea).Differencesweresignificant(P0.05)andweightgainrecordedat180dayswere85.3and90.9g/dayforDedoandSekalambs,respectively.nbsp;Thevariationingrowthperformanceofsheepindifferentdistrictscouldprovidebaselineinformationtosetalong-termgeneticimprovementplanbyelection.Theresultsarediscussedincomparisonwithdataobtainedfromelsewhereinthetropics.
机译:ThestudywasconductedtoassessthegrowthperformanceoflambsundervillagemanagementconditioninJimma,Ethiopiafrom1995to1997.nbsp; Theoverallmeanbodyweightatbirth,atweaning(180天)anduptoayear(360天)wasrecordedtobe2.45,18.8and25.4kg,respectively.nbsp; Theoverallmeangrowthrateuptoweaningweight(180天)anduptooneyearold(360天)was92.3and68.3g / day.Thenon-geneticfactorssuchasseason,雅,性别,奇偶校验,littersizeanddistrictwereconsideredinthisstudy.Themainfactorshadasignificanteffect(atleastp 0.05)onweightforageandweightgainsrecorded.Aconsistentsignificanteffectofsexandbirthtype(单/双)(PLT; 0.05)wasobservedforweightforageandgrowthrates.Themaleswereheavierthanfemales,by7.11%and10.2%for180daysand360daysweight,respectively.Thetwinswerelighterthansinglesby20.1%and8.32%胎龄分别为180天和300天。胎次效应显着(p 0.05)。第一次胎次的羔羊出生时的体重较低,体重和随后的胎体重增加。在Deka和Sekalambs,180天的差异显着(P 0.05)和体重增加显着(P 0.05),分别为85.3和90.9g /天。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号